University of wisconsin-madison

Hormone Therapy

Hormones can be used to manipulate reproduction in the mare. Below are a list of some hormones that can be used, the specific effect being manipulated and the actual drug.

Hormone
Effect
Drug
Estrogen synchronization of ovulation estradiol-17-B
Progesterone

suppression of estrus
synchronization of ovulation
pregnancy supplementation

ReguMate, progesterone in oil, Repositol
PGF2a Regression of the CL
Induction of Abortion
Lutalyse, Equimate, Estrumate, Synchrocept
LH ovulation induction hCG
GnRH ovulation induction Deslorelin
Oxytocin Parturition induction,
expulsion of retained placenta
Oxytocin

Expanded information on drugs:

Regumate - oral progestin
Repositol - long acting injectable progesterone
Lutalyse - Prostaglandin F 2 alpha (PGF)
PGF analogs - Estrumate, Equimate, Synchrocept
Deslorelin - SucroMate, GnRH agonist

 

 

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Mare Endocrinology